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Water Filtration Systems & Filters

Discount Filter Store carries a wide variety of water filters and filtration systems to make sure that you have clean water everywhere you need it. We offer camping water filters, RV filters, water bottles for travelers on the go. Purify your office or home’s drinking water with countertop filter systems, commercial grade filters, and whole house filter systems. Our filters are protected by our 100% Price Match Guarantee. We are happy to offer you the lowest possible price on our filters, matching any lower price listed by competitors.

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  • RO-3500 Pentek Reverse Osmosis Filter System

    RO-3500 Pentek Reverse Osmosis Filter System

    $248.99 Retail Price:  $300.15
  • ROM-16C Pentek Reverse Osmosis Replacement Membrane

    ROM-16C Pentek Reverse Osmosis Replacement Membrane

    $49.99 Retail Price:  $56.80
  • ROM-230TN Pentek Reverse Osmosis Membrane

    ROM-230TN Pentek Reverse Osmosis Membrane

    $75.99 Retail Price:  $86.93
  • ROM-26T Pentek Reverse Osmosis Membrane

    ROM-26T Pentek Reverse Osmosis Membrane

    $73.99 Retail Price:  $84.05
  • ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    ROMATE-40 Pentek Reverse Osmosis System Storage Tank

    $499.99 Retail Price:  $577.29
  • ROMATE-80 Pentek Reverse Osmosis System Storage Tank

    ROMATE-80 Pentek Reverse Osmosis System Storage Tank

    $730.99 Retail Price:  $807.29
  • ST-2 Pentek Filter Housing - Stainless Steel

    ST-2 Pentek Filter Housing - Stainless Steel

    $226.99 Retail Price:  $286.57
  • ST-3 Pentek Filter Housing - Stainless Steel

    ST-3 Pentek Filter Housing - Stainless Steel

    $283.99 Retail Price:  $345.79
  • ST-BC-4 Pentek Filter Housing - Stainless Steel

    ST-BC-4 Pentek Filter Housing - Stainless Steel

    $783.99 Retail Price:  $1009.11
  • UV-110-1 Pentek UV System

    UV-110-1 Pentek UV System

    $339.89 Retail Price:  $393.17
  • UV-120-1 Pentek UV System

    UV-120-1 Pentek UV System

    $510.99 Retail Price:  $589.94
  • UVBB-120-1 Pentek UV System

    UVBB-120-1 Pentek UV System

    $434.99 Retail Price:  $594.54

Items 193 to 240 of 441 total

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